title: Atypical pneumonia and the Armed Forces Epidemiological Board.
mesh_terms: D000818:Animals; D001428:Bacterial Vaccines / Q000627:therapeutic use; D002642:Chick Embryo; D006224:Cricetinae; D004813:Epidemiology; D049673:History, 20th Century; D006801:Humans; D008647:Mesocricetus; D008887:Military Medicine / Q000266:history*; D009177:Mycoplasma pneumoniae / Q000472:pathogenicity; D011019:Pneumonia, Mycoplasma / Q000209:etiology / Q000266:history* / Q000276:immunology; D051381:Rats; D014481:United States
chemical_list: D001428:Bacterial Vaccines